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Altech® has introduced their new version of its UL508 manual motor controllers. This new miniature circuit breaker incorporates a reinforced housing for improved durability, offers both box and ring tongue terminals as standard, and includes a clear cover for easily tagging the circuit. This latest version maintains the UL listing using the same internals and materials.

These breakers can deliver reliable performance in a wide range of applications, including motors, appliances, lighting, wiring protection, transformers, power supplies, industrial controls, and semiconductors, among others.

The breakers are offered in 6 trip curves and in ampere ratings from 0.3-60A with voltage ratings of 480Y/277VAC and 24-80VDC, depending on the breaker configuration. They are compact at 17.5mm wide per pole and are available in 1, 2, and 3 poles. All are designed for easy DIN rail mounting.

Altech was the first and remains the leader in the U.S. market for UL508 manual motor controllers. Only Altech offers three UL ratings (489, 508, and 1077) to provide users with a variety of cost-effective solutions to satisfy particular application requirements. All circuit breakers in the Altech family are CE certified and RoHS compliant.

If your application requires a manual motor controller, Altech is the leading US supplier of UL508 Manual Motor Controllers (MMC). In AC, we offer up to 60A in 1 to 3 poles at 480Y/277VAC. With 6 trip curves, Altech has the largest selection in the industry. This ensures you the selectivity you require for your application designs. Our MMCs have a 10kA short circuit withstand capacity, this is the highest rating in the industry.